TextRuleCondition.Enabled Property (Outlook)
Returns or sets a Boolean that determines if the rule condition is enabled. Read/write.
After you enable a rule condition, you must also save the rule by using Rules.Save so that the rule condition and its enabled state will persist beyond the current session. A rule condition is only enabled after it have been saved successfully.
Returns an error if you attempt to enable a rule condition that is supported only on a rule of type olRuleSend for a rule of type olRuleReceive, or vice versa. For more information on suppport by rules for receiving messages or rules for sending messages, see Specify Rule Conditions.